#! /usr/bin/python -E
# Authors: Rob Crittenden <rcritten@redhat.com>
#
# Copyright (C) 2007  Red Hat
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; version 2 only
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#

import sys
try:
    from optparse import OptionParser
    import ipa.ipaclient as ipaclient
    import ipa.config
    import ipa.ipautil as ipautil
    import ipa.ipaadminutil as ipaadminutil
    import base64

    import errno
    import sys
    import xmlrpclib
    import kerberos
    import socket
except ImportError:
    print >> sys.stderr, """\
There was a problem importing one of the required Python modules. The
error was:

    %s
""" % sys.exc_value
    sys.exit(1)

def parse_options():
    usage = "%prog [-a|--all] [-n|--notranslate] [-v|--verbose] user"
    parser = OptionParser(usage=usage)

    parser.add_option("-a", "--all", action="store_true", dest="all",
                      help="Display all attributes")
    parser.add_option("-n", "--notranslate", action="store_true",
                      dest="notranslate",
                      help="Don't translate LDAP attributes into readable labels")
    parser.add_option("-v", "--verbose", action="store_true", dest="verbose",
                      help="Verbose output of the XML-RPC connection")

    ipa.config.add_standard_options(parser)
    options, args = parser.parse_args()
    ipa.config.verify_args(parser, args, "user")
    ipa.config.init_config(options)

    return options, args

def wrap_binary_data(data):
    """Converts all binary data strings into base64-encoded objects for display
    """
    if isinstance(data, str):
        if ipautil.needs_base64(data):
            return base64.encodestring(data)
        else:
            return data
    elif isinstance(data, list) or isinstance(data,tuple):
        retval = []
        for value in data:
            retval.append(wrap_binary_data(value))
        return retval
    elif isinstance(data, dict):
        retval = {}
        for (k,v) in data.iteritems():
            retval[k] = wrap_binary_data(v)
        return retval
    else:
        return data

def main():
    user={}
    options, args = parse_options()

    client = ipaclient.IPAClient(verbose=options.verbose)
    if options.all is None:
        users = client.find_users(args[0], sattrs=['uid','givenname','sn','homeDirectory','loginshell'])
    else:
        users = client.find_users(args[0], sattrs=None)

    counter = users[0]
    users = users[1:]
    userindex = 0
    if counter == 0:
        print "No entries found for", args[0]
        return 2
    elif counter == -1:
        print "These results are truncated."
        print "Please refine your search and try again."

    if counter > 1:
        try:
            userindex = ipaadminutil.select_user(counter, users)
        except KeyboardInterrupt:
            return 1
        if userindex == "q":
            return 0

    if userindex >= 0:
        users = [users[userindex]]

    for ent in users:
        attr = ent.attrList()
        attr.sort()

        # Always have sn following givenname
        try:
            l = attr.index('givenname')
            attr.remove('sn')
            attr.insert(l+1, 'sn')
        except ValueError:
            pass

        if options.notranslate:
            labels = {}
            for a in attr:
                labels[a] = a
        else:
            labels = client.attrs_to_labels(attr)

        if options.all is True:
            print "dn: " + ent.dn

        for a in attr:
            value = ent.getValues(a)
            if isinstance(value,str):
                print labels[a] + ": " + str(wrap_binary_data(value)).rstrip()
            else:
                print labels[a] + ": "
                for l in value:
                    print "\t" + wrap_binary_data(l)
        # blank line between results
        print

    return 0

try:
    if __name__ == "__main__":
        sys.exit(main())
except SystemExit, e:
    sys.exit(e)
except KeyboardInterrupt, e:
    sys.exit(1)
except xmlrpclib.Fault, fault:
    if fault.faultCode == errno.ECONNREFUSED:
        print "The IPA XML-RPC service is not responding."
    else:
        print fault.faultString
    sys.exit(1)
except kerberos.GSSError, e:
    print "Could not initialize GSSAPI: %s/%s" % (ipautil.get_gsserror(e))
    sys.exit(1)
except xmlrpclib.ProtocolError, e:
    print "Unable to connect to IPA server: %s" % (e.errmsg)
    sys.exit(1)
except ipa.ipaerror.IPAError, e:
    print "%s" % (e.message)
    sys.exit(1)
except socket.error, e:
    print e[1]
    print "Re-run with -v flag for more details."
except Exception, e:
    print "%s" % str(e)
    sys.exit(1)
